Question 5 PART (PartID, Description, InventoryLevel) REPLACEMENTPART (PartNum, Price, ShippingWeight) PartNum foreign key to PART What is the relationship between PART and REPLACEMENTPART? O PART is a subtype of REPLACEMENTPART O REPLACEMENTPART is a subtype of PART REPLACEMENTPART M ----<>----1 PART 1 pts REPLACEMENTPART 1 ----<>----M PART

Question 5 PART (PartID, Description, InventoryLevel) REPLACEMENTPART (PartNum, Price, ShippingWeight) PartNum foreign key to PART What is the relationship between PART and REPLACEMENTPART? O PART is a subtype of REPLACEMENTPART O REPLACEMENTPART is a subtype of PART REPLACEMENTPART M ----<>----1 PART 1 pts REPLACEMENTPART 1 ----<>----M PART

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Create an Interaction Model Use Case Model 1. Create use case summaries for a Employee Payroll System, Some suggested names are: Enter employee information, Print employee pay Snub, Perform maintenance, Perform backup, View employee records, etc. 2. Create a use case description for “Print Employee Pay Snub"...You should have several use case descriptions but only list one for this assignment. 3. Create a Use Case diagram for an Employee Payroll System, Include at least 3 actors. Sequence Model 1. Create a Scenario for a sequence of events that occur during one particular execution the system This should be listed as one of the actors (or whatever you chose to name them) in the use case diagram. 2. Create a Sequence Diagram Note: there should be a Sequence diagram for each Use Case listed in your use case summary, (if there are 4 Use Cases there should be 4 Sequence Diagrams).
QUESTION 10 You are a project manager overseeing the program design for a client. The team lead for the project sketches the following on your office whiteboard. What is your best response? Note: No assumptions are needed. O"Fan-in of modules is presented. The program design is approved." O Fan-through flow of modules is presented. The program design is approved." O "Control and data couples couples are flowing in wrong direction. The program design is rejected O"Fan-in of modules is presented. The program design is rejected O"Fan-out of modules is presented. The program design is approved."
1. Assume that you are developing a new system for a local real estate agency. The agency wants to keep a database of its own property listings and also wants to have access to the citywide multiple listings service used by all real estate agents. Which design strategy would you recommend for the construction of this system? Why? 2. Assume that you are part of a development team that is working on a new warehouse management system. You have the task of investigating software packages that are available through application service providers. Using the World Wide Web, identify at least two potential sources of such software. What are the pros and cons of this approach to obtaining a software package?
Question 2 Assume you were hired to design a Public Bus Transport System. The system will keep track of the busses, bus routes, drivers, passenger, etc. The system will be managed by an administrator and will be operated by several employees. 2.3 Prepare a Volere template (You can list the contents of the template only, no need for the layout) for 1 of the functional requirements that you have identified using the sections of the snowcard used in Block 1- Unit 2 – Section 6. 2.4 Draw a use case diagram with a minimum of 4 different actors, 10 use cases, at least 1> stereotype, and at least 1 > stereotype
An _____ is a high-level representation of data requirements, ignoring implementation details.
What is the cardinality for the entity Department in the following ERD? Employee Department Employee number First name Last name Job title Dept number Dept number works Dept name in Dept location Instruction: Use proper spelling and/or punctuation in your answer.
Practice Programming Planning Problems using Object Oriented Design– Outline the classes and relationships and describe the programming process for an "automatic meeting scheduler using inputs from a calendar database." Use a simplified version of Unified Modeling Language class diagram. You are not writing the code for this, just the design and the algorithm.
List the processes and the external entities that you would include on a logical top-level data flow diagram
create one domain class diagram Use Case 1 Use Case Name: Self-service check in for road test Main Flow: Driver System 1 Requests to check in for road test. Prompts for scanning driver’s license. 2 Scans driver’s license. Searches driver’s information using the scanned driver’s license number, displaying driver’s full name, license number, expiry date, type of license, and booked road test information (date, time and location of the road test). Prompts for confirmation. 3 Confirm to check in. (*1) Records the check in by changing the road test status to checked-in; adds the driver into the waiting list for road tests. Alternate Flows Alternate Flow Description A1 Some information displayed is not correct. Driver will not confirm the check in and system will prompts the driver to go to a clerk for help.
When will the reference count of a managed object be increased by 1? The reference count is set when the manager object is created and does not change for the life of the object Each time the shared pointer's copy constructor is called Each time one of the shared pointers goes out of scope Each time the shared pointer is used
33. "The Bank system should not allow users to send emails" is an example of: Domain Requirements Functional Requirements Non Functional Requirements
Regional Labs is a company that conducts research and development work on a contract basis for other companies and organizations. Figure 2-33 shows data that Regional Labs collects about projects and the employees assigned to them. This data is stored in a relation (table) named PROJECT: PROJECT (ProjectID, Employee Name, EmployeeSalary) ProjectID 100-A 100-A FIGURE 2-33 Sample Data for Regional Labs 100-B 200-A 200-B 200-C 200-C 200-D EmployeeName Eric Jones Donna Smith Donna Smith Eric Jones Eric Jones Eric Parks Donna Smith Eric Parks Employee Salary 64,000.00 70,000.00 70,000.00 64,000.00 64,000.00 58,000.00 70,000.00 58,000.00